[web/data] Fix userCallbackThenUpdateUI to completely replace old DOM elements Without the 'swap' parameter, userCallbackThenUpdateUI() would replace the _children_ of the component with a new version of the componenent, thus creating nested divs/spans/buttons/etc. Closes #4881299

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Add some entities

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As manager, you can access to entity creation forms by using the `site management`_ page.

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.. _`site management`: manage

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As regular user, the index page or the action box may propose some links to create entities according to the context.

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